Washer, Keyway5310-01-381-3077

NSN 5310-01-381-3077 · NIIN 013813077

FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5310-01-381-3077 · 5310013813077 · NIIN 013813077 · 01-381-3077 · FSC 5310 Nuts and Washers · 12132F18-257C · 12062B18 · 12062B18

Nearby stock numbers ← 5310-01-381-3066 Washer, Keyway · 5310-01-381-3078 Nut, Plain, Hexagon →

5310-01-381-3077 — Nuts and Washers

Features

Washer,keyway — FSC 5310
Overall Distance Including Keys: 3.060 INCHES NOMINAL IN
Outside Diameter: 0.372 INCHES MINIMUM IN
Material Thickness: 0.029 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
External Prebent Key Width: 0.560 INCHES NOMINAL IN
Material: TITANIUM OVERALL
Hole Diameter: 0.276 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN

Identification

NSN: 5310-01-381-3077
NIIN: 013813077
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Washer,keyway, cataloged under National Stock Number 5310-01-381-3077, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-381-3077
Item Name	Washer,keyway
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Overall Distance Including Keys	3.060 INCHES NOMINAL IN
Outside Diameter	0.372 INCHES MINIMUM IN
Material Thickness	0.029 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
External Prebent Key Width	0.560 INCHES NOMINAL IN
Material	TITANIUM OVERALL
Hole Diameter	0.276 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
12132F18-257C	5/9 Secondary reference U.S. Government activity
12062B18	3/9 Design control — primary reference U.S. Government activity
12062B18	C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd

No interchangeability data on file.

Other items in FSC 5310 — Nuts and Washers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5310-00-000-0040

5310-00-000-0040 · Item name not on file

5310-00-000-0077

NUT,PLAIN,ROUND

5310-00-000-0079

WASHER,FLAT

5310-00-000-0079

WASHER,FLAT

5310-00-000-1146

5310-00-000-1146 · Item name not on file

5310-00-000-3815

5310-00-000-3815 · Item name not on file

5310-00-000-4532

5310-00-000-4532 · Item name not on file

5310-00-000-4540

5310-00-000-4540 · Item name not on file

Frequently Asked Questions

What is NSN 5310-01-381-3077?

NSN 5310-01-381-3077 is a Washer,keyway, classified under FSC 5310, Nuts and Washers. Status: active.

What are the specifications of 5310-01-381-3077?

Key specifications for 5310-01-381-3077: Overall Distance Including Keys: 3.060 INCHES NOMINAL IN; Outside Diameter: 0.372 INCHES MINIMUM IN; Material Thickness: 0.029 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN; External Prebent Key Width: 0.560 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-381-3077 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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